2 years ago

Dilate (2,5) by a scale factor of 3

Mathematics

1 answer:

pishuonlain [190]2 years ago

5 0

Answer:2,5

Step-by-step explanation:

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Find the discriminant of the following quadratic equation then state the number of rational, irrational, and imaginary solutions

lianna [129]

Answer:

-6x² - 6 = -7x - 9
-6x² + 7x - 6 + 9 = 0
-6x² + 7x + 3 = 0
6x² - 7x - 3 = 0

Discriminant:

D = (-7)² - 4*6*(-3) = 49 + 72 = 121

Since D > 0, there are 2 real solutions:

x = (- (-7) ±√121 )/12
x = (7 ± 11)/12
x = 1.5, x = -1/3

8 0

3 years ago

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There are six balls in the bag. Two are basketballs, three are playground balls, and one is a soccer ball. What is the probabili

aleksandr82 [10.1K]

Answer:

$\frac{1}{6}=0.16$

Step-by-step explanation:

Given : There are six balls in bag

Basketballs=2

Playground balls =3

Soccer ball =1

To Find : the probability that if you pick one of the balls without looking, it will be a soccer ball

Solution :

Total no. of balls = 6

No. of soccer balls = 1

Probability = favorable outcomes / total outcomes

Since total outcomes = total no. of balls =6

And favorable outcome = no. of soccer balls = 1

Thus , Probability of getting soccer ball = $\frac{1}{6}$

Hence the probability that if you pick one of the balls without looking, it will be a soccer ball:

$\frac{1}{6}=0.16$

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3 years ago

Brent is considering buying a new circular track for his model train. He estimates that the model's circumference is about 3 tim

Dvinal [7]

Answer:

Answer is D or a

Step-by-step explanation:

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2 years ago

1. Reduce: 21 = 21 Reduce: 28

Hoochie [10]

Answer:

3/4

Step-by-step explanation:

21/28=3/4

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3 years ago

Find the equation that represents a line that passes through the point (7,-5) and has slope -4/7

Evgen [1.6K]

Answer:

The equation would be y = -4/7x - 1

Step-by-step explanation:

Given that we have the slope and the point, we can solve for the equation using point-slope form.

y - y1 = m(x - x1)

y + 5 = -4/7(x - 7)

y + 5 = -4/7x + 4

y = -4/7x - 1

6 0

3 years ago